5 Best Party Supplies Stores in London (2026)

OBalloons London Balloons, based in South Woodford, specialises in custom balloon decorations for birthdays, baby showers, weddings, corporate events and other celebrations across London. Beyond balloons, its shop stocks birthday cards, incense sticks and candles, and it offers delivery and on-site setup at the client's venue. It is the highest-rated party supplies store in London on this page.

Party Party has traded on Ridley Road in Dalston for more than 30 years, stocking balloons and helium, fancy dress costumes, wigs, cake decorating supplies, and party essentials like piñatas and bunting under one roof. It also runs a downstairs party space and upstairs cake decorating lessons. Reviewers describe it as one of the most comprehensively stocked party shops in London.

London Balloon Shop, in Walthamstow, focuses on helium balloons, personalised balloons, balloon bouquets, giant numbers and letters, plus banners and bunting, with delivery and collection options. Reviewers consistently describe fast, professional service for last-minute orders. It is open seven days a week with late hours on Fridays and Saturdays.

Party and Celebrate, on Lavender Hill in Battersea, stocks fancy dress costumes, wigs, masks, make-up and general party supplies, alongside balloons, and runs an online store with next-day delivery. Reviewers name staff members directly for helping put together costume looks and event decorations. It is open seven days a week, including Sunday afternoons.

Balloons Shop London, in Bermondsey, combines a physical shop with same-day helium balloon delivery, event planning and party equipment rental across London. Reviewers frequently mention ordering via WhatsApp for urgent, last-minute balloon bouquets, including for people out of town sending gifts to friends in the city. It is open seven days a week.